Free-Standing Two-Dimensional Ru Nanosheets with High Activity toward Water Splitting

Xiangkai Kong; Kun Xu; Changlin Zhang; Jun Dai; Shirin Norooz Oliaee; Lingyan Li; Xiaocheng Zeng; Changzheng Wu; Zhenmeng Peng

doi:10.1021/acscatal.5b02730

Free-Standing Two-Dimensional Ru Nanosheets with High Activity toward Water Splitting

Xiangkai Kong, Kun Xu, Changlin Zhang, Jun Dai, Shirin Norooz Oliaee, Lingyan Li, Xiaocheng Zeng, Changzheng Wu, Zhenmeng Peng

Chemistry

Research output: Contribution to journal › Article

133 Scopus citations

Abstract

The preparation of ultrathin ruthenium metal nanosheets is important because these materials have unique properties originated from the unique two-dimensional (2D) structure, and yet, it remains a synthetic challenge. Herein, we report the synthesis of free-standing 2D Ru nanosheets using a facile solvothermal method, in which Ru(III) is reduced via self-decomposition of the metal precursor and grows into ultrathin nanosheets with the aid of isopropanol and urea. The 2D Ru nanosheets and their 2D oxide derivative exhibit excellent hydrogen evolution reaction and oxygen evolution reaction activities, respectively. They show much enhanced properties compared with their Ru powder counterparts and the commercial Pt in electrolytic water splitting.

Original language	English (US)
Pages (from-to)	1487-1492
Number of pages	6
Journal	ACS Catalysis
Volume	6
Issue number	3
DOIs	https://doi.org/10.1021/acscatal.5b02730
State	Published - Mar 4 2016

Keywords

hydrogen evolution
oxygen evolution
ruthenium
two-dimensional
water splitting

ASJC Scopus subject areas

Catalysis
Chemistry(all)

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10.1021/acscatal.5b02730

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Kong, X., Xu, K., Zhang, C., Dai, J., Norooz Oliaee, S., Li, L., Zeng, X., Wu, C., & Peng, Z. (2016). Free-Standing Two-Dimensional Ru Nanosheets with High Activity toward Water Splitting. ACS Catalysis, 6(3), 1487-1492. https://doi.org/10.1021/acscatal.5b02730

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abstract = "The preparation of ultrathin ruthenium metal nanosheets is important because these materials have unique properties originated from the unique two-dimensional (2D) structure, and yet, it remains a synthetic challenge. Herein, we report the synthesis of free-standing 2D Ru nanosheets using a facile solvothermal method, in which Ru(III) is reduced via self-decomposition of the metal precursor and grows into ultrathin nanosheets with the aid of isopropanol and urea. The 2D Ru nanosheets and their 2D oxide derivative exhibit excellent hydrogen evolution reaction and oxygen evolution reaction activities, respectively. They show much enhanced properties compared with their Ru powder counterparts and the commercial Pt in electrolytic water splitting.",

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